Did Life Start on Mars?

Did Life Start On Mars?
Irene Klotz
http://news.discovery.com/

Not only was Mars once much more like Earth, with atmosphere, surface water and warmer temperatures, but it had a potentially key ingredient for life that was not available on our home world.

That buttresses a mind-bending   theory that life got its start on Mars and then spread to Earth, said biochemist Steven Benner, with the Foundation for Applied Molecular Evolution in Gainesville, Fla.Today, Mars is a cold, dry desert with a thin atmosphere that provides little protection from deadly solar and cosmic radiation. But roll back the hands of time some 4 billion years and Mars had at least a polar ocean and abundant supplies of liquid water.

“About 3.4 billion to 4 billion years ago … was the time that life was evolving on Earth,”

I chose this article because it's cool to know where everything truly comes from. I also chose it because it makes me think a lot, is this true? Should I research more about this? In my opinion this is a pretty interesting article. (click on the title to view)
This is an important hypothesis that might become a fact. This is important because there might still be life on mars, or at least there was, and that life spread to earth. How impressive, don't you think?
Life on Mars, 6th, P6

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The Cost Of Living On Mars

Relocating to Mars is expensive business!

JAMES PORTO/TAXI/GETTY IMAGESBut roll back the hands of time some 4 billion years and Mars had at least a polar ocean and abundant supplies of liquid water.